Chromatic Grain Speckle

<!-- Chromatic Grain Speckle — RGB-offset noise layers drifting apart -->
<div class="nuda-ng2-chromatic-speckle">
  <div class="nuda-ng2-chromatic-speckle__r" aria-hidden="true"></div>
  <div class="nuda-ng2-chromatic-speckle__b" aria-hidden="true"></div>
  <span class="nuda-ng2-chromatic-speckle__label">RGB</span>
</div>

.nuda-ng2-chromatic-speckle {
  position: relative;
  width: 100%;
  max-width: 220px;
  height: 130px;
  border-radius: 12px;
  overflow: hidden;
  background: #09090b;
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
}

.nuda-ng2-chromatic-speckle__r {
  position: absolute;
  inset: -50%;
  width: 200%;
  height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='turbulence' baseFrequency='0.75' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 130px 130px;
  opacity: .28;
  mix-blend-mode: screen;
  filter: sepia(1) saturate(6) hue-rotate(-40deg);
  pointer-events: none;
  animation: _nuda-ng2chromspeckle-r .6s steps(5) infinite;
}

.nuda-ng2-chromatic-speckle__b {
  position: absolute;
  inset: -50%;
  width: 200%;
  height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='turbulence' baseFrequency='0.75' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 130px 130px;
  opacity: .24;
  mix-blend-mode: screen;
  filter: sepia(1) saturate(6) hue-rotate(150deg);
  pointer-events: none;
  animation: _nuda-ng2chromspeckle-b .6s steps(5) infinite reverse;
}

.nuda-ng2-chromatic-speckle__label {
  position: relative;
  z-index: 1;
  font-family: ui-sans-serif,system-ui,sans-serif;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: .14em;
  color: #fafafa;
}

@keyframes _nuda-ng2chromspeckle-r {
  0% {
    transform: translate3d(0,0,0);
  }
  25% {
    transform: translate3d(-6px,3px,0);
  }
  50% {
    transform: translate3d(5px,-5px,0);
  }
  75% {
    transform: translate3d(-4px,-2px,0);
  }
  100% {
    transform: translate3d(0,0,0);
  }
}

@keyframes _nuda-ng2chromspeckle-b {
  0% {
    transform: translate3d(0,0,0);
  }
  25% {
    transform: translate3d(6px,-3px,0);
  }
  50% {
    transform: translate3d(-5px,5px,0);
  }
  75% {
    transform: translate3d(4px,2px,0);
  }
  100% {
    transform: translate3d(0,0,0);
  }
}

@media (prefers-reduced-motion:reduce) {
  .nuda-ng2-chromatic-speckle__r,.nuda-ng2-chromatic-speckle__b {
    animation: none;
    opacity: .16;
  }
}